Brady, D, Singh - Nee Nigam, Poonam, Marchant, Roger, Singh, D and McHale, Anthony (1997) The effect of Mn2+ on ethanol production from lactose using Kluyveromyces marxianus IMB3 immobilized in magnetically responsive matrices. BIOPROCESS ENGINEERING, 17 (1). pp. 31-34. [Journal article]
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The thermotolerant, ethanol producing yeast strain, a marxianus IMB3 was immobilized in calcium alginate containing magnetically responsive Fe3O4 particles. In these studies the beta-galactosidase derived from K. marxianus IMB3 was immobilized onto the Fe3O4 particles prior to inclusion into the alginate matrix. Ethanol production by the immobilized microorganism in the presence of Fe3O4 reached a maximum of 16 g/L on 40 g/L lactose whereas prior immobilization of the enzyme to the particles and inclusion into the alginate matrix increased ethanol production to a maximum concentration of 18 g/L. When Mn2+ was incorporated into fermentations containing the immobilized enzyme in the alginate matrix, ethanol production increased further to a maximum concentration of 20 g/L. In addition, the behaviour of the magnetically responsive biocatalyst containing the co-immobilized enzyme was examined in a batch-fed system in the presence and absence of Mn2+.
|Item Type:||Journal article|
|Faculties and Schools:||Faculty of Life and Health Sciences|
Faculty of Life and Health Sciences > School of Biomedical Sciences
Faculty of Life and Health Sciences > School of Pharmacy and Pharmaceutical Science
|Research Institutes and Groups:||Biomedical Sciences Research Institute|
Biomedical Sciences Research Institute > Infection and Immunity/Microbiology
|Deposited By:||Dr Poonam Singh - Nee Nigam|
|Deposited On:||21 Dec 2009 11:21|
|Last Modified:||04 Dec 2012 11:43|
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